Primary energy use by source in Iceland
Iceland: Primary energy use by source was 0.9184 terawatt-hours in 2025. ◆ Volatile
Primary energy use by source in Iceland, 1965–2025
Source: Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data. Measured in terawatt-hours.
Analysis
In 2025, primary energy use by source in Iceland stood at 0.9184 terawatt-hours.
That represents a change of down 26.7% on the previous year and down 20.5% over ten years.
Over the whole period, primary energy use by source in Iceland peaked at 1.36 terawatt-hours in 2021 and was at its lowest, 0.0021 terawatt-hours, in 1978.
That places Iceland 66th out of 78 countries with data for 2025, putting it in the bottom quarter.
The series is highly variable year to year, so single readings are best treated with caution.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 0.0466 terawatt-hours | 0.024 terawatt-hours | 0.076 terawatt-hours | 5 |
| 1970s | 0.0237 terawatt-hours | 0.0021 terawatt-hours | 0.1833 terawatt-hours | 10 |
| 1980s | 0.6377 terawatt-hours | 0.2444 terawatt-hours | 0.922 terawatt-hours | 10 |
| 1990s | 0.711 terawatt-hours | 0.6141 terawatt-hours | 0.7952 terawatt-hours | 10 |
| 2000s | 1.16 terawatt-hours | 1.03 terawatt-hours | 1.28 terawatt-hours | 10 |
| 2010s | 1.21 terawatt-hours | 1.04 terawatt-hours | 1.34 terawatt-hours | 10 |
| 2020s | 1.13 terawatt-hours | 0.9184 terawatt-hours | 1.36 terawatt-hours | 6 |
Countries ranked near Iceland
- 63 Denmark 2.17 terawatt-hours compare
- 64 Saudi Arabia 1.74 terawatt-hours compare
- 65 Oman 1.37 terawatt-hours compare
- 67 Lithuania 0.8607 terawatt-hours compare
- 68 Turkmenistan 0.535 terawatt-hours compare
- 69 Switzerland 0.5228 terawatt-hours compare
More energy & mining data for Iceland
- Fuel imports 9.0% (2025)
- Ores and metals imports 7.9% (2025)
- Ores and metals exports 36.2% (2025)
- Gas production 0 terawatt-hours (2024)
- Fossil fuel production per person, by fuel 0 kilowatt-hours per person (2024)
- Fossil fuel production by fuel 0 terawatt-hours (2024)
- Gas production per person 0 kilowatt-hours per person (2024)
- Fuel exports 1.5% (2025)
- Electric power transmission and distribution losses 2.9% (2024)
- Share of dietary energy supply from carbohydrates vs. GDP per capita 43.6% (2023)
Frequently asked questions
- What is primary energy use by source in Iceland?
- Primary energy use by source in Iceland was 0.9184 terawatt-hours in 2025, according to Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data.
- What is the highest primary energy use by source recorded in Iceland?
- The highest recorded value was 1.36 terawatt-hours in 2021.
- What is the lowest primary energy use by source recorded in Iceland?
- The lowest recorded value was 0.0021 terawatt-hours in 1978.
- How does Iceland rank for primary energy use by source?
- Iceland ranks 66th out of 78 countries with data for 2025.
- Is primary energy use by source rising or falling in Iceland?
- Over the last ten years it is down 20.5%. The long-run trend across the full record is volatile.
- Where does this Iceland data come from?
- The figures come from Energy Institute - Statistical Review of World Energy (2026); Smil (2017) – with major processing by Our World in Data, published as part of Primary energy use by source. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 61 observations, free to reuse under CC BY 4.0 (Our World in Data).
About this data
Measured in terawatt-hours of total energy supply.